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10213205 = 514913709
BaseRepresentation
bin100110111101…
…011101010101
3201012212212212
4212331131111
510103310310
61002523205
7152545052
oct46753525
921185785
1010213205
115846372
123506505
132167922
1414dc029
15d6b205
hex9bd755

10213205 has 8 divisors (see below), whose sum is σ = 12339000. Its totient is φ = 8115136.

The previous prime is 10213183. The next prime is 10213207. The reversal of 10213205 is 50231201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 935089 + 9278116 = 967^2 + 3046^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10213205 - 212 = 10209109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10213205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6110 + ... + 7599.

It is an arithmetic number, because the mean of its divisors is an integer number (1542375).

Almost surely, 210213205 is an apocalyptic number.

It is an amenable number.

10213205 is a deficient number, since it is larger than the sum of its proper divisors (2125795).

10213205 is a wasteful number, since it uses less digits than its factorization.

10213205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13863.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10213205 is about 3195.8105388148. The cubic root of 10213205 is about 216.9638354932.

Adding to 10213205 its reverse (50231201), we get a palindrome (60444406).

The spelling of 10213205 in words is "ten million, two hundred thirteen thousand, two hundred five".

Divisors: 1 5 149 745 13709 68545 2042641 10213205